CN206669731U - A kind of premixed high-speed jet burner - Google Patents
A kind of premixed high-speed jet burner Download PDFInfo
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- CN206669731U CN206669731U CN201720068057.4U CN201720068057U CN206669731U CN 206669731 U CN206669731 U CN 206669731U CN 201720068057 U CN201720068057 U CN 201720068057U CN 206669731 U CN206669731 U CN 206669731U
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- burner block
- burner
- air
- venturi tube
- venturi
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Abstract
It the utility model is related to Industrial Stoves apparatus field,Specifically,It is a kind of premixed high-speed jet burner,Including burner block,Venturi tube and air elbow three parts,Burner block is connected to one end of Venturi tube,The other end of Venturi tube is connected to air elbow,The surface of the connecting portion of Venturi tube and burner block is provided with igniter,Igniter is embedded in Venturi tube and burner block,One end that igniter is stretched into burner block is connected with steady fire-fighting head,Venturi tube is divided into venturi mixing section and mixing chamber,Venturi mixing section is connected with burner block,Mixing chamber is connected with air elbow,The side wall of mixing chamber is provided with fuel gas inlet,Air elbow uses " L " shape structure design,One end of air elbow is connected to mixing chamber,The other end of air elbow opens wide be used as air intake downwards,The utility model has flame intensity height,Strong interference immunity,Flame heat transfer efficiency is high,Material speed is fast,Energy-conservation,The advantages that environmentally friendly.
Description
Technical field
Industrial Stoves apparatus field is the utility model is related to, is a kind of premixed high-speed jet burner specifically.
Background technology
Part is useless at present, miscellaneous metal recovery Industrial Stoves, to reach fast melt material, energy-saving, it is desirable to flame is short,
Penetrability is strong, temperature is high, and so as to develop a kind of premixed high-speed jet burner, the burner is with using air as combustion-supporting Jie
Matter, but flame intensity, form and gas-welding flame compare favourably, and can strengthen gas stream in the stove disturbance, improve heat transfer efficiency, and then save drop
Consumption.
Utility model content
In order to adapt to part is useless, the quick heated material of miscellaneous metal recovery Industrial Stoves, energy-saving actual demand, this reality
A kind of premixed high-speed jet burner is provided with new.The burner is using fuel gas as fuel, and air is as combustion-supporting Jie
Matter, fuel gas are completed premixing with air in burner mixing chamber, by the high-tension ignition electrode ignition built in burner, burnt
Mouth spout front end forms thermal-flame.
The technical solution adopted in the utility model is specific as follows:
A kind of premixed high-speed jet burner, including burner block, Venturi tube and air elbow three parts, burner block connect
One end of Venturi tube is connected to, the other end of Venturi tube is connected to the connecting portion of air elbow, Venturi tube and burner block
Surface be provided with igniter, in igniter insertion Venturi tube and burner block, igniter stretch into burner block one
End is connected with steady fire-fighting head, and Venturi tube is divided into venturi mixing section and mixing chamber, and venturi mixing section is connected with burner block, mixes
Air chamber is connected with air elbow, and the side wall of mixing chamber is provided with fuel gas inlet, and air elbow uses " L " shape structure design, air
One end of elbow is connected to mixing chamber, and the other end of air elbow, which opens wide downwards, is used as air intake.
In the technical program, combustion gas enters burner with combustion air by distinct interface, is realized in burner internal
Premix, mixing chamber realize that combustion gas mixes with the uniform of air, and structure is cylinder type labyrinth type venturi mixing section to mixed airflow
Steady fire-fighting head is further sent into after speed-raising to be sufficiently mixed in the realization of burner mixing chamber, is further improved by venturi mixing section
Gas mixing flow velocity enters burner tip, and mixed gas air velocity at shower nozzle reaches 180m/s, and air-flow is in burner block
Stable flame is formed under accumulation of heat.
Further improvement of the utility model, the both sides up and down of burner block are provided with two water jackets of positional symmetry, water jacket
Interior cooling water circulation carries out cooling down to burner block high temperature position, extends the service life of whole burner.
Further improvement of the utility model, the bent portion of air elbow are provided with peep hole, are provided with peep hole
Ultraviolet fire inspection device, the connection between ultraviolet fire inspection device and peep hole use dismountable connected mode, and so, peep hole removes
It can observe outside furnace flame combustion case, when passage of flame occurs blocking in metalliferous material in stove, ultraviolet fire is examined
Under device dismounting, oxygen rifle can be inserted into burner front end by peep hole and carry out burning oxygen dredging.
Further improvement of the utility model, burner block angle of flare α are 3 °, and it is 1 that can so cause excess air coefficient,
NO caused by the burning substantially reduced while energy-conservationx。
Further improvement of the utility model, steady fire-fighting head have a trench structure, build combustion circumfluence but also are point
Thermoelectricity pole provides negative pole, and steady fire-fighting head provides safeguard together with burner block for the flame holding of burner, it is ensured that premixed height
Rapid fire stream burner still keeps the stable burning of flame under 180m/s mixed airflow speed.
Further improvement of the utility model, fuel gas inlet play limit with being provided with current limliting porous plate at air intake
The effect of stream, the ratio being so easy between the control combustion air and fuel gas entered in burner.
Connection between the venturi mixing section of further improvement of the utility model, burner block and Venturi tube uses spiral shell
Tether and connect, the connection between the mixing chamber and air elbow of Venturi tube is connected by screw bolts, the company between water jacket and burner block
Connect and be connected by screw bolts.
The beneficial effects of the utility model:The mixing high-speed jet burner that the utility model discloses is relative to normal air
Booster burners(30-50m/s mixed airflow speed)For have flame intensity height, strong interference immunity, flame heat transfer efficiency
The advantages that height, material speed are fast, energy-saving and environmental protection.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure, 1- burner blocks, 2- water jackets, 3- igniters, the steady fire-fighting heads of 4-, 5- venturi mixing sections, 6- mixing chambers, 7-
Fuel gas inlet, 8- air elbows, 9- air intakes, 10- peep holes, 11- ultraviolets fire inspection device.
Embodiment
In order to deepen to understanding of the present utility model, the utility model is done further below in conjunction with drawings and examples
It is described in detail, the embodiment is only used for explaining the utility model, and the scope of protection of the utility model is not formed and limited.
Embodiment:As shown in figure 1, a kind of premixed high-speed jet burner, including burner block 1, Venturi tube and air
The three parts of elbow 8, burner block 1 are connected to one end of Venturi tube, and the other end of Venturi tube is connected to air elbow 8, literary mound
In the surface of pipe and the connecting portion of burner block 1 be provided with igniter 3, igniter 3 is embedded in Venturi tube and burner block 1
Interior, one end that igniter 3 is stretched into burner block 1 is connected with steady fire-fighting first 4, and Venturi tube is divided into venturi mixing section 5 and mixed
Air chamber 6, venturi mixing section 5 are connected with burner block 1, and mixing chamber 6 is connected with air elbow 8, and the side wall of mixing chamber 6 is provided with combustion
Gas entrance 7, air elbow 8 use " L " shape structure design, and one end of air elbow 8 is connected to mixing chamber 6, air elbow 8 it is another
One end is opened wide be used as air intake 9 downwards, and the both sides up and down of burner block 1 are provided with two water jackets 2 of positional symmetry, in water jacket 2
Cooling water circulation cooling down is carried out to the high temperature position of burner block 1, the bent portion of air elbow 8 is provided with peep hole 10,
Ultraviolet fire inspection device 11 is provided with peep hole 10, the connection between ultraviolet fire inspection device 11 and peep hole 10 is using dismountable
Connected mode.
In the present embodiment, the angle of flare α of burner block 1 be 3 °, can so cause excess air coefficient be 1, energy-conservation it is same
When NO caused by the burning that substantially reducesx, steady fire-fighting first 4 has a trench structure, builds combustion circumfluence but also is ignition power
Pole provides negative pole, and steady fire-fighting first 4 provides safeguard together with burner block 1 for the flame holding of burner, it is ensured that premixed high speed
Jet combustion device still keeps the stable burning of flame under 180m/s mixed airflow speed.
In the present embodiment, the connection between burner block 1 and the venturi mixing section 5 of Venturi tube is connected by screw bolts,
Connection between the mixing chamber 6 and air elbow 8 of Venturi tube is connected by screw bolts, and the connection between water jacket 2 and burner block 1 is adopted
It is connected with.
The operation principle of the present embodiment:The fuel gas for entering burner from fuel gas inlet 7 fires with entering from air intake 9
The combustion air of burner is mixed in mixing chamber by certain air-fuel ratio, is lighted by high-tension ignition electrode, burning mixture is rapid
Burning, volume acutely expand, and form high speed spurting thermal-flame, similar to gas-welding flame, have the combustion-supporting burning of regular air
The flame intensity and temperature that device is unable to reach, to improve service life, the outside of burner block 1 is provided with water jacket 2, following in water jacket 2
Ring cooling water can absorb waste heat, prevent first 4 scaling loss of steady fire-fighting;Burner block 1 is resistance to more than 1700 DEG C using refractory temperature
High temperature material is made, and the burner block 1 in red-hot state plays a part of stable flame simultaneously;At air and combustible gas inlet
Be provided with current limliting porous plate, by system design can automatically adjust air, combustion gas proportioning;Up to 180m/s gaseous mixture
Flow velocity degree, there is very strong impulsive force to metalliferous material, promote gas stream in the stove strong disturbance, heat transfer effect is improved so as to reach
Rate, improve and melt efficiency, energy-saving purpose.
Steady fire-fighting first 4 has unique trench structure, builds combustion circumfluence but also provides negative pole for ignitor.
Steady flame shower nozzle provides safeguard together with burner block 1 for the flame holding of burner, it is ensured that premixed high-speed jet burner exists
The stable burning of flame is still kept under 180m/s mixed airflow speed.
General principle of the present utility model, main features and advantages have been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model requires protection scope
By appended claims and its equivalent thereof.
Claims (7)
1. a kind of premixed high-speed jet burner, it is characterised in that including burner block, Venturi tube and three, air elbow
Point, the burner block is connected to one end of the Venturi tube, and the other end of the Venturi tube is connected to air elbow, described
The surface of Venturi tube and the connecting portion of the burner block is provided with igniter, and the igniter is embedded in the venturi
In pipe and the burner block, one end that the igniter is stretched into the burner block is connected with steady fire-fighting head, the venturi
Pipe is divided into venturi mixing section and mixing chamber, and the venturi mixing section is connected with the burner block, the mixing chamber with it is described
Air elbow is connected, and the side wall of the mixing chamber is provided with fuel gas inlet, and the air elbow uses " L " shape structure design, institute
The one end for stating air elbow is connected to the mixing chamber, and the other end of the air elbow, which opens wide downwards, is used as air intake.
2. premixed high-speed jet burner according to claim 1, it is characterised in that the both sides up and down of the burner block
It is provided with two water jackets of positional symmetry.
3. premixed high-speed jet burner according to claim 2, it is characterised in that the bending section of the air elbow
Set up separately and be equipped with peep hole, be provided with ultraviolet fire inspection device at the peep hole, ultraviolet fire inspection device and the peep hole it
Between connection using being detachably connected.
4. premixed high-speed jet burner according to claim 3, it is characterised in that the burner block angle of flare α is
3°。
5. premixed high-speed jet burner according to claim 4, it is characterised in that the steady fire-fighting head has groove profile
Structure.
6. premixed high-speed jet burner according to claim 5, it is characterised in that the fuel gas inlet and the sky
Gas porch is provided with current limliting porous plate.
7. the premixed high-speed jet burner according to claim any one of 2-6, it is characterised in that the burner block with
Connection between the venturi mixing section of the Venturi tube is connected by screw bolts, the mixing chamber of the Venturi tube and the sky
Connection between gas elbow is connected by screw bolts, and the connection between the water jacket and the burner block is connected by screw bolts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720068057.4U CN206669731U (en) | 2017-01-20 | 2017-01-20 | A kind of premixed high-speed jet burner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720068057.4U CN206669731U (en) | 2017-01-20 | 2017-01-20 | A kind of premixed high-speed jet burner |
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CN206669731U true CN206669731U (en) | 2017-11-24 |
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CN201720068057.4U Active CN206669731U (en) | 2017-01-20 | 2017-01-20 | A kind of premixed high-speed jet burner |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107803125A (en) * | 2017-12-15 | 2018-03-16 | 上海梵坤环保科技发展有限公司 | String data Venturi tube combines gas-liquid fusing device |
CN110805902A (en) * | 2019-10-29 | 2020-02-18 | 王伟 | Gas welding nozzle capable of controlling size of nozzle |
-
2017
- 2017-01-20 CN CN201720068057.4U patent/CN206669731U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107803125A (en) * | 2017-12-15 | 2018-03-16 | 上海梵坤环保科技发展有限公司 | String data Venturi tube combines gas-liquid fusing device |
CN107803125B (en) * | 2017-12-15 | 2023-08-22 | 上海梵坤环保科技发展有限公司 | Combined gas-liquid fusion device of serial venturi tube |
CN110805902A (en) * | 2019-10-29 | 2020-02-18 | 王伟 | Gas welding nozzle capable of controlling size of nozzle |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180207 Address after: 221004 No. 12 Yang Shan Road, Xuzhou Economic Development Zone, Jiangsu, China Co-patentee after: Xuzhou Combustion Control Research Institute Co., Ltd. Patentee after: XUZHOU KERONG ENVIRONMENTAL RESOURCES CO., LTD. Address before: 221004 No. 12 Yang Shan Road, Xuzhou Economic Development Zone, Jiangsu, China Patentee before: XUZHOU KERONG ENVIRONMENTAL RESOURCES CO., LTD. |
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TR01 | Transfer of patent right |